Tatakoto is an atoll in the Tuamotu group in French Polynesia.

Tatakoto is one of the more isolated atolls of the Tuamotus. It situated in the east of the archipelago, 1,182 kilometres (734 miles) from Tahiti. This atoll is 1,182 kilometres (734 miles) long and 3.5 kilometres (2 miles) wide. It has one large island and 65 islets separated by numerous channels on the reef surrounding the lagoon. The islands are mostly located on its windward side (south). All the islands are flat, not much higher than the ocean level.